Hash :
bf258729
Author :
Date :
2012-06-29T00:48:11
tests: prefer "test ! -e FILE" to check that a file doesn't exist Once, for the sake of (at least) Solaris 10 /bin/sh, we had to use "test ! -f FILE" or "test ! -r FILE" or "test ! -d FILE" instead, because the that shell's 'test' built-in didn't grok the '-e' option. Note however that we still can't use "test ! -e" in the Makefile recipes used in the test cases; that is because those recipes are run with the shell detected by 'configure', and Autoconf-generated configure scripts do no guarantee to find or provide a POSIX-compatible shell. * Several tests: Adjust. * t/yacc-clean-cxx: Adjust, and remove a couple of useless commands. * t/parallel-tests-dry-run-2.sh: Adjust, and add invocation to "make -n" forgotten in previous versions of the test. * t/txinfo26.sh: Adjust, and don't bother to skip the test when it's run in a directory whose absolute path contain whitespace: that setup is not supported anyway. * t/maken3.sh: Adjust, and fix a typo that could cause a minor false negative. * t/test-trs-recover2.sh: Prefer using 'skip_' with a suitable error message over a bare 'exit 77'. Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>
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#! /bin/sh
# Copyright (C) 2011-2012 Free Software Foundation, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# Test remake rules when a C header "guarded" by AC_SUBST'd variables
# is not needed anymore, or when it's needed again.
# This test requires some user-level machinery, overlaps with other tests,
# and is not strictly necessary per se, but it exercises a real, important
# use case (from gnulib, see:
# <http://lists.gnu.org/archive/html/bug-gnulib/2011-04/msg00005.html>
# for more info).
required=cc
. ./defs || exit 1
cat >> configure.ac <<'END'
AC_CONFIG_HEADERS([config.h])
AC_PROG_CC
MY_MACROS
AC_OUTPUT
END
cat > Makefile.am <<'END'
ACLOCAL_AMFLAGS = -I .
noinst_PROGRAMS = foo
foo_SOURCES = foo.c
BUILT_SOURCES = $(STDIO_H)
if REPLACE_STDIO_H
stdio.h: stdio.in.h $(top_builddir)/config.status
cp $(srcdir)/stdio.in.h $@
else
stdio.h: $(top_builddir)/config.status
rm -f $@
endif
MOSTLYCLEANFILES = stdio.h
END
cat > macros.m4 <<'END'
AC_DEFUN([MY_MACROS], [
override_stdio=:
if $override_stdio; then
STDIO_H=stdio.h
use_dummies=1
else
STDIO_H=
use_dummies=0
fi
AC_SUBST([STDIO_H])
AC_DEFINE_UNQUOTED([USE_DUMMIES], [$use_dummies],
[Whether to use dummy types.])
AM_CONDITIONAL([REPLACE_STDIO_H], [test -n "$STDIO_H"])
])
END
cat > stdio.in.h <<'END'
typedef struct dummyfile { void *p; } DUMMYFILE;
END
cat > foo.c <<'END'
#include <config.h>
#include <stdio.h>
#if USE_DUMMIES
DUMMYFILE *f;
#else
FILE *f;
#endif
int main () { return 0; }
END
$ACLOCAL -I .
$AUTOHEADER
$AUTOMAKE
$AUTOCONF
for vpath in : false; do
if $vpath; then
mkdir build
cd build
srcdir=..
else
srcdir=.
fi
# Do not reject slow dependency extractors: we need dependency tracking.
$srcdir/configure --enable-dependency-tracking
if $FGREP 'depmode=none' Makefile; then
skip_ "automatic dependency tracking couldn't be activated"
fi
$MAKE
ls -l
test -f stdio.h
# Simulate that we don't need our custom stdio.h anymore.
$sleep
sed -e 's/^\( *override_stdio\)=.*$/\1=false/' $srcdir/macros.m4 > t
diff $srcdir/macros.m4 t && fatal_ "failed to edit macros.m4"
mv -f t $srcdir/macros.m4
using_gmake || $MAKE Makefile
$MAKE
ls -l
test ! -e stdio.h
# And now simulate that we want our custom stdio.h back.
$sleep
sed -e 's/^\( *override_stdio\)=.*$/\1=:/' $srcdir/macros.m4 > t
diff $srcdir/macros.m4 t && fatal_ "failed to edit macros.m4"
mv -f t $srcdir/macros.m4
using_gmake || $MAKE Makefile
$MAKE
ls -l
test -f stdio.h
$MAKE distclean
cd $srcdir
done
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